The 35th President of the United States was shot on Friday, November 22, 1963, in Dallas, Texas at 12.30pm . He was fatally wounded by gunshots while riding with his wife - Jacqueline Bouvier Kennedy - in a motorcade. The ten-month investigation of the Warren Commission of 1963 to 1964, the United States House Select Committee on Assassinations (HSCA) of 1976 to 1979, and other government investigations concluded that the President had been assassinated by Lee Harvey Oswald - who was himself shot dead by Jack Ruby while in police custody.
But doubts about the official explanation and the conclusion that Oswald was the lone gunman firing from the Texas Book Depository overlooking Dealey Plaza where Kennedy was hit surfaced soon after the commission report. Footage of the motorcade taken by Abraham Zapruder on 8mm film supported the growing belief that at least four shots were fired - not the three that the Warren Commission claimed. The moments of impact recorded on the film also suggested that at least one of the shots came from a completely different direction to those supposedly fired by Oswald - evidence backed up by testimony of several eye witnesses. Many believed that several shots were fired by gunmen hiding behind a picket fence on a grassy knoll overlooking the plaza.
The assassination is still the subject of widespread speculation and has spawned numerous conspiracy theories, though none of these has been proven. In 1979, the House Select Committee on Assassinations (HSCA) found both the original FBI investigation and the Warren Commission Report to be seriously flawed. The HSCA also concluded that there were at least four shots fired and that it was probable that a conspiracy existed. However, later studies, including one by the National Academy of Sciences, have called into question the accuracy of the evidence used by the HSCA to support its finding of four shots.